Home / 106,538.76-159,766.59-39,942.60

Finding the Fourth Proportional to 106,538.76, 159,766.59 and 39,942.60

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Solution

The fourth proportional to 106,538.76, 159,766.59 and 39,942.60 is: 59,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538.76 : 159,766.59 = 39,942.60 : x
  2. Step 2: Convert to fraction form
    106,538.76/159,766.59 = 39,942.60/x
  3. Step 3: Cross multiply
    106,538.76x = 159,766.59 × 39,942.60
  4. Step 4: Simplify right side
    106,538.76x = 6,381,492,997.73
  5. Step 5: Solve for x
    x = 6,381,492,997.73/106,538.76
  6. Step 6: Final answer
    x = 59,898.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.